//The MIT License
//
//Copyright (c) 2009 nodchip
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.
package tv.dyndns.kishibe.client.game;

import com.google.gwt.user.client.ui.Label;

public class WidgetAnswer extends Label {
	private int maxLength;

	public WidgetAnswer(int length) {
		maxLength = length;
		addStyleDependentName("answer");
	}

	public void addLetter(String s) {
		String text = this.getText();
		int length = text.length();
		if (length >= maxLength) {
			return;
		}
		text += s;
		this.setText(text);
	}

	public void removeLetter() {
		String text = this.getText();
		int length = text.length();
		if (length == 0) {
			return;
		}

		text = text.substring(0, length - 1);
		this.setText(text);
	}

	public int length() {
		return this.getText().length();
	}

	public String getLastLetter() {
		if (this.getText() == "") {
			return "NULL";
		}

		return this.getText().substring(this.getText().length() - 1, this.getText().length());
	}

	public void setLastLetter(String letter) {
		if (this.getText() == "") {
			return;
		}

		removeLetter();
		addLetter(letter);
	}
}
